Petrović, Dragan. “SERBIAN GEOPOLITICS AT BALKANS, IN THE PERIOD OF TRANSITION OF WORLD ORDER TOWARD MULTIPOLARISM”. KULTURA POLISA 12, no. 3 (December 31, 2015): 139–153. Accessed March 21, 2023. https://kpolisa.com/index.php/kp/article/view/1130.